code: def test_wrong_sub_policy_format_fail():
      with assert_raises(
          Exception,
          glob="The `num_magnitude_bins` must be a positive integer, got 0",
      ):
          Policy("ShouldFail", 0.25, a.rotate)
  
      with assert_raises(
          Exception,
          glob="The `sub_policies` must be a list or tuple of sub policies",
      ):
          Policy("ShouldFail", 9, a.rotate)
  
      with assert_raises(
          Exception, glob="Each sub policy must be a list or tuple"
      ):
          Policy("ShouldFail", 9, [a.rotate])
  
      with assert_raises(
          Exception,
          glob="as a triple: (augmentation, probability, magnitude). Got Augmentation",
      ):
          Policy("ShouldFail", 9, [(a.rotate, a.shear_x)])
  
      with assert_raises(
          Exception,
          glob="must be an instance of Augmentation. Got `0.5`",
      ):
          Policy("ShouldFail", 9, [[(0.5, a.rotate, 3)]])
  
      with assert_raises(
          Exception,
          glob="Probability * must be a number from `[[]0, 1[]]` range. Got `2`",
      ):
          Policy("ShouldFail", 9, [[(a.rotate, 2, 2)]])
  
      with assert_raises(
          Exception, glob="Magnitude ** `[[]0, 8[]]` range. Got `-1`"
      ):
          Policy("ShouldFail", 9, [[(a.rotate, 1, -1)]])
  
      @augmentation(mag_range=(0, 250))
      def parametrized_aug(data, magnitude):
          return data
  
      @augmentation
      def non_parametrized_aug(data, _):
          return data
  
      with assert_raises(
          Exception, glob="the magnitude bin is required"
      ):
          Policy("ShouldFail", 7, [[(parametrized_aug, 0.5, None)]])
  
      with assert_warns(
          glob="probability 0 in one of the sub-policies"
      ):
          Policy("ShouldFail", 7, [[(parametrized_aug, 0, 5)]])
  
      with assert_warns(
          glob="probability 0 in one of the sub-policies"
      ):
          Policy("ShouldFail", 7, [[(parametrized_aug, 0.0, 5)]])
  
      with assert_warns(
          glob="The augmentation does not accept magnitudes"
      ):
          Policy("ShouldFail", 7, [[(non_parametrized_aug, 1.0, 5)]])
  
imports: import itertools
  import os
  import unittest
  import random
  import numpy
  from scipy.stats import chisquare
  from nose2.tools import params
  from nvidia.dali import fn, types
  from nvidia.dali import pipeline_def
  from nvidia.dali.auto_aug import auto_augment, augmentations
  from nvidia.dali.auto_aug.core import augmentation, Policy
  from test_utils import get_dali_extra_path, check_batch
  from nose_utils import assert_raises, assert_warns
label_desc: Use image node_id 12 for calling a global function with example usage: test_wrong_sub_policy_format_fail() and returns: data, data